ssh：连接到主机xxx.us-west-2.compute.amazonaws.com端口22：连接在aws中被拒绝

I am unable to connect to bastion host in aws after accidentally delete openssh client in unbuntu linux, even use the browser's connect mindterm won't let me hit the openssh-client button as well, does any one know how to solve this problem?I am unable to connect to bastion host in aws a